id author title date pages extension mime words sentence flesch summary cache txt istl-1523 American Woods: Conservation of a Unique Item .html text/html 3264 197 54 High humidity invites insects and mold, whereas low humidity leads to embrittlement. This way, the books would tend to remain at or near the summertime humidity level, or experience a gentle and gradual decrease in relative humidity that was fairly minimal. cache/istl-1523.html txt/istl-1523.txt